[INFO] fetching crate core_io 0.1.20210325... [INFO] building core_io-0.1.20210325 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3 [INFO] extracting crate core_io 0.1.20210325 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate core_io 0.1.20210325 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate core_io 0.1.20210325 [INFO] finished tweaking crates.io crate core_io 0.1.20210325 [INFO] tweaked toml for crates.io crate core_io 0.1.20210325 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ef1cbbf03a5659e586c5c8e9e5dd2ceb13656506ce4d2a482ebf2728456e5c7f [INFO] running `Command { std: "docker" "start" "-a" "ef1cbbf03a5659e586c5c8e9e5dd2ceb13656506ce4d2a482ebf2728456e5c7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef1cbbf03a5659e586c5c8e9e5dd2ceb13656506ce4d2a482ebf2728456e5c7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef1cbbf03a5659e586c5c8e9e5dd2ceb13656506ce4d2a482ebf2728456e5c7f", kill_on_drop: false }` [INFO] [stdout] ef1cbbf03a5659e586c5c8e9e5dd2ceb13656506ce4d2a482ebf2728456e5c7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zprofile-closures" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4b5a3c15d3866486734cad4c9e3260da03bd132e6838fa0bc4f47ecaf6ecabf [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e4b5a3c15d3866486734cad4c9e3260da03bd132e6838fa0bc4f47ecaf6ecabf", kill_on_drop: false }` [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] SG_CR_Eslkdjf: semver, (7cc5ff9c9a8ce013, 6dd76bc6afb01fd4), 0, 0 [INFO] [stderr] SG_CR_Eslkdjf: semver, (c984e2e3fcc69c46, c584ffa562d66cf5), 0, 0 [INFO] [stderr] SG_CR_Eslkdjf: semver, (19ced7cd5753776c, 3060396bed9ec31e), 8, 8 [INFO] [stderr] SG_CR_Eslkdjf: semver, (e1eaf77290f017e9, b902e92f4415cb4d), 8, 8 [INFO] [stderr] SG_CR_Eslkdjf: semver, (2b7bdc5ec7d57c2f, 258561221c4ab19d), 8, 8 [INFO] [stderr] SG_CR_Eslkdjf: semver, (cb3a2b3e793d1232, 74d4011ae37cec9c), 16, 16 [INFO] [stderr] SG_CR_Eslkdjf: semver, (16f349043d99a2c9, 8bbdbf8b73a3b897), 8, 8 [INFO] [stderr] SG_CR_Eslkdjf: semver, (ebf9fc4a23bfc251, 5ffd413b49cff583), 16, 16 [INFO] [stderr] SG_CR_Eslkdjf: semver, (887479c0f52c9635, a08a680d35ae7972), 0, 0 [INFO] [stderr] SG_CR_Eslkdjf: semver, (f14f917b5754768a, c0bbd16271d2e304), 0, 0 [INFO] [stderr] SG_CR_Eslkdjf: semver, (112cdfb8038524, c04109a1257d5cba), 8, 8 [INFO] [stderr] SG_CR_Eslkdjf: semver, (afa5a25173df321, 18934970cbe5e4bf), 8, 8 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] SG_CR_Eslkdjf: rustc_version, (d4f55bde121b4b8d, 5904fcf17d197b70), 0, 0 [INFO] [stderr] SG_CR_Eslkdjf: rustc_version, (f4a2699193c4079a, d2d7917dbead6d6f), 0, 0 [INFO] [stderr] Compiling core_io v0.1.20210325 (/opt/rustwide/workdir) [INFO] [stderr] SG_CR_Eslkdjf: build_script_build, (9b5b7ffbce26617d, 4400bd610a85fd7b), 8, 8 [INFO] [stderr] SG_CR_Eslkdjf: build_script_build, (5ee3a1679a8217d3, c007e89cf629746d), 8, 16 [INFO] [stderr] error: failed to run custom build command for `core_io v0.1.20210325 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/core_io-b8dc348fda307b03/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Unknown compiler version, upgrade core_io?', build.rs:73:69 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5555db6fc5a0 - std::backtrace_rs::backtrace::libunwind::trace::h0197874f43e7190f [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5555db6fc5a0 - std::backtrace_rs::backtrace::trace_unsynchronized::hfdfd566bbbda6f2d [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5555db6fc5a0 - std::sys_common::backtrace::_print_fmt::hb3b4707c15b032a1 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5555db6fc5a0 - ::fmt::had1dceac8b072f88 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5555db71923c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/core/src/fmt/mod.rs:1117:17 [INFO] [stderr] 5: 0x5555db6fa2f5 - std::io::Write::write_fmt::h05c3bb2bc83b8ed0 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/io/mod.rs:1667:15 [INFO] [stderr] 6: 0x5555db6fdceb - std::sys_common::backtrace::_print::h10f0826b2a586b58 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5555db6fdceb - std::sys_common::backtrace::print::h0d4242fbd1ac3eb6 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5555db6fdceb - std::panicking::default_hook::{{closure}}::h275ead39fe8b8e2a [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:210:50 [INFO] [stderr] 9: 0x5555db6fd87b - std::panicking::default_hook::h5505d4d90f5984d9 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x5555db6fe3b4 - std::panicking::rust_panic_with_hook::h2f8980d1d9fd4ca0 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:624:17 [INFO] [stderr] 11: 0x5555db6fde90 - std::panicking::begin_panic_handler::{{closure}}::hd87853ef7e40ae97 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:521:13 [INFO] [stderr] 12: 0x5555db6fcaa4 - std::sys_common::backtrace::__rust_end_short_backtrace::hcab167aa940694a2 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5555db6fddf9 - rust_begin_unwind [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:517:5 [INFO] [stderr] 14: 0x5555db6c9231 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/core/src/panicking.rs:93:14 [INFO] [stderr] 15: 0x5555db6c9123 - core::option::expect_failed::h0a5d8f51a88056e8 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/core/src/option.rs:1618:5 [INFO] [stderr] 16: 0x5555db6cc48e - core::option::Option::expect::h403a9ff5a433b7ff [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/core/src/option.rs:698:21 [INFO] [stderr] 17: 0x5555db6ce2e1 - build_script_build::main::h66439065a798f4b6 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:73:4 [INFO] [stderr] 18: 0x5555db6d08ab - core::ops::function::FnOnce::call_once::h554b419c6a25ac97 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x5555db6d06de - std::sys_common::backtrace::__rust_begin_short_backtrace::h3cfc8fab758c0029 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x5555db6cf531 - std::rt::lang_start::{{closure}}::he1695a56f61946df [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/rt.rs:63:18 [INFO] [stderr] 21: 0x5555db6fe8ba - core::ops::function::impls:: for &F>::call_once::h5e3bbb97afe2bb03 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x5555db6fe8ba - std::panicking::try::do_call::h48c2d717cec4bdcb [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:403:40 [INFO] [stderr] 23: 0x5555db6fe8ba - std::panicking::try::h2a49bc215893bc14 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:367:19 [INFO] [stderr] 24: 0x5555db6fe8ba - std::panic::catch_unwind::h6d23b7c99550c7ff [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panic.rs:129:14 [INFO] [stderr] 25: 0x5555db6fe8ba - std::rt::lang_start_internal::{{closure}}::h251a0c0729f15896 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/rt.rs:45:48 [INFO] [stderr] 26: 0x5555db6fe8ba - std::panicking::try::do_call::h4830e784a9b9d1ad [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:403:40 [INFO] [stderr] 27: 0x5555db6fe8ba - std::panicking::try::h0427859d2ad3b3b9 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:367:19 [INFO] [stderr] 28: 0x5555db6fe8ba - std::panic::catch_unwind::h4079bfb63395be0f [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panic.rs:129:14 [INFO] [stderr] 29: 0x5555db6fe8ba - std::rt::lang_start_internal::h408e9d26a25a1f08 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/rt.rs:45:20 [INFO] [stderr] 30: 0x5555db6cf500 - std::rt::lang_start::h82322361127a6ad6 [INFO] [stderr] at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/rt.rs:62:5 [INFO] [stderr] 31: 0x5555db6cee3c - main [INFO] [stderr] 32: 0x7fbb481920b3 - __libc_start_main [INFO] [stderr] 33: 0x5555db6c998e - _start [INFO] [stderr] 34: 0x0 - [INFO] running `Command { std: "docker" "inspect" "e4b5a3c15d3866486734cad4c9e3260da03bd132e6838fa0bc4f47ecaf6ecabf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4b5a3c15d3866486734cad4c9e3260da03bd132e6838fa0bc4f47ecaf6ecabf", kill_on_drop: false }` [INFO] [stdout] e4b5a3c15d3866486734cad4c9e3260da03bd132e6838fa0bc4f47ecaf6ecabf